Signal transmission method and terminal device

ABSTRACT

A signal transmission method includes: determining, by the terminal device, an effective transmission power of a plurality of uplink signals; and transmitting, by the terminal device, the plurality of uplink signals simultaneously in a same frequency domain resource set according to the effective transmission power of the plurality of uplink signals.

CROSS-REFERENCE TO RELATED APPLICATION

This application is a U.S. national phase application of InternationalApplication No. PCT/CN2017/097673, filed Aug. 16, 2017, the entiredisclosure of which is incorporated herein by reference.

TECHNICAL FIELD

Embodiments of the present disclosure relate to the field ofcommunication, and more particularly, to a signal transmission methodand a terminal device.

BACKGROUND

In the 5G New Radio (NR) system, an antenna array of a terminal devicemay include a plurality of antenna panels, which may be used fortransmitting uplink signals at the same time. Herein, one antenna panelmay include multiple antenna units, and different antenna panels may usedifferent Radio Frequency (RF) channels. When the terminal device isscheduled to transmit data on multiple antenna panels simultaneously inthe same carrier, if a transmission power of the terminal device islimited, how to enable the terminal device to transmit data on theplurality of antenna panels becomes an urgent problem to be solved.

SUMMARY

The embodiments of the disclosure provides a signal transmission methodand a terminal device. When the transmission power is limited, theterminal device can still simultaneously transmit multiple uplink signalwithin a same frequency domain set.

According to a first aspect, there is provided a signal transmissionmethod, including: determining, by the terminal device, an effectivetransmission power of a plurality of uplink signals; and transmitting,by the terminal device, the plurality of uplink signals simultaneouslyin a same frequency domain resource set according to the effectivetransmission power of the plurality of uplink signals.

Therefore, the terminal device determines, according to a certain mannerof power distribution, the effective transmission power respectively forthe plurality of uplink signals to be transmitted simultaneously in thesame frequency domain resource set and, thus, transmit the plurality ofuplink signals simultaneously in the same frequency domain resource setaccording to the effective transmission power of the plurality of uplinksignals. In this way, even if a transmission power of the terminaldevice is limited, the terminal device may be still able tore-determine, according to the manner of power distribution described inembodiments of the disclosure, the effective transmission powerrespectively for the plurality of uplink signals to be transmitted and,thus, transmit the plurality of uplink signals simultaneously in thesame frequency domain resource.

In a possible implementation, the plurality of uplink signals includeuplink data or an uplink reference signal.

In a possible implementation, the plurality of uplink signals are uplinksignals scheduled by same downlink control information (DCI), or uplinksignals respectively scheduled by different DCIs.

In a possible implementation, the same frequency domain resource setincludes: a same carrier, a same bandwidth part, a same sub-band, or asame set of physical resource block (PRB).

In a possible implementation, the determining, by the terminal device,an effective transmission power of a plurality of uplink signalsincludes: determining, by the terminal device, the effectivetransmission power of the plurality of uplink signals according to anumber of the plurality of uplink signals.

In a possible implementation, the determining, by the terminal device,the effective transmission power of the plurality of uplink signalsaccording to a number of the plurality of uplink signals includes:determining, by the terminal device, a maximum supported transmissionpower of each uplink signal among the plurality of uplink signalsaccording to the number of the plurality of uplink signals; anddetermining, by the terminal device, the effective transmission power ofthe each uplink signal based on the maximum supported transmission powerof the each uplink signal.

For example, assuming that the number of the plurality of uplink signalsto be transmitted is N and a maximum transmission power supported by theterminal device is P_(max), the terminal device may determine, accordingto the maximum transmission power supported by the terminal deviceP_(max) and the number of the plurality of uplink signals N, the maximumsupported transmission power of each uplink signal is P_(max)/N. Then,the terminal device may determine, through a conventional procedure ofuplink power control, the effective transmission power of the eachuplink signal based on the maximum supported transmission power of theeach uplink signal.

In a possible implementation, the determining, by the terminal device,the effective transmission power of the plurality of uplink signalsaccording to a number of the plurality of uplink signals includes:determining, by the terminal device, an expected transmission power ofthe each uplink signal among the plurality of uplink signals beingreduced based on a ratio corresponding to the number of the plurality ofuplink signals, as the effective transmission power of the each uplinksignal.

For example, assuming that the expected transmission power of the eachuplink signal among the plurality of uplink signals is P_(i), where0<i≤N, N is the number of the plurality of uplink signals, and eachvalue of N corresponds to a ratio. If the number N corresponds to aratio of 1/N, the expected transmission power of the each uplink signalmay be reduced to P_(i)/N. The procedure for reducing the expectedtransmission power may be performed, for example, when a powerconsumption of the terminal device needs to be reduced, or only when asum of the expected transmission powers of the plurality of uplinksignals exceeds the maximum transmission power supported by the terminaldevice.

In a possible implementation, the determining, by the terminal device,an effective transmission power of a plurality of uplink signalsincludes: determining, by the terminal device, the effectivetransmission power of the plurality of uplink signals according topriority information of the plurality of uplink signals.

In a possible implementation, before the determining, by the terminaldevice, the effective transmission power of the plurality of uplinksignals according to priority information of the plurality of uplinksignals, the method further includes: determining, by the terminaldevice, the priority information of the plurality of uplink signalsaccording to at least one of following information: a signal type of theplurality of uplink signals, a control signaling used for scheduling theplurality of uplink signals, a type of information carried by theplurality of uplink signals, and an order by which the plurality ofuplink signals are scheduled.

In a possible implementation, the determining, by the terminal device,the priority information of the plurality of uplink signals according tothe control signaling used for scheduling the plurality of uplinksignals includes: receiving, by the terminal device, a plurality of DCIsused for scheduling the plurality of uplink signals, the plurality ofDCIs carrying the priority information of the plurality of uplinksignals; or receiving, by the terminal device, the plurality of DCIs,and determining the priority information of the plurality of uplinksignals according to information of modulation coding scheme (MCS)carried in the plurality of DCIs.

In a possible implementation, the determining, by the terminal device,the effective transmission power of the plurality of uplink signalsaccording to priority information of the plurality of uplink signalsincludes: allocating, by the terminal device, respective minimumtransmission powers for the plurality of uplink signals; and allocating,by the terminal device according to the priority information of theplurality of uplink signals, remaining transmission power in a maximumsupportable transmission power excluding the minimum transmission powersof the plurality of uplink signals to at least part of the plurality ofuplink signals.

For example, assuming that the number of the plurality of uplink signalsto be transmitted is N, the minimum transmission power of each uplinksignal is P_(min), the maximum transmission power of the i-th uplinksignal among the N uplink signals is P_(i-max), the maximum transmissionpower supported by the terminal device is P_(max), then the remainingtransmission power is P_(r)=P_(max)−N×P_(min). Firstly, the terminaldevice allocates respective minimum transmission powers P_(min) for eachuplink signal. Then, the terminal device allocates the remainingtransmission power P_(r) according to a priority order of the uplinksignals. Assuming N=3, that is, the number of the plurality of uplinksignals is 3, including signal 1, signal 2 and signal 3, when theallocation of remaining power is not performed, the signals 1, 2 and 3are allocated with P_(min). Subsequently, the terminal device mayacquire the priority information of those three signals by forgoingprocess, assuming the priority from high to low is signal 1>signal2>signal 3, then the terminal device allocates remaining transmissionpower P_(r) firstly to signal 1 with the highest priority, for example,causing the transmission P_(min) thereof to reach its maximumtransmission power P_(1-max); if there is still surplus of the remainingtransmission power P_(r), then the terminal device proceeds withallocation of transmission power for signal 2; if there is still surplusof the remaining transmission power P_(r), after the transmission powerP_(min) of signal 2 reaches its maximum transmission power P_(2-max),then the terminal device proceeds with allocation of transmission powerfor signal 3. When the remaining transmission power is consumed outduring the process of allocation and not enough for continuousallocation, the operation may be stopped. The effective transmissionpower of the signal which is the last one to be allocated withtransmission power may not be able to reach its maximum transmissionpower.

In a possible implementation, the priority information of the pluralityof uplink signals is configured by a network device in advance for theplurality of uplink signals.

In a possible implementation, the determining, by the terminal device,an effective transmission power of a plurality of uplink signalsincludes: determining by the terminal device, if a sum of expectedtransmission powers of the plurality of uplink signals exceeds a maximumtransmission power supported by the terminal device, the expectedtransmission power of each uplink signal among the plurality of uplinksignals being reduced based on a ratio of the maximum transmission powerto the sum of expected transmission powers of the plurality of uplinksignals, as the effective transmission power of the each uplink signal.

For example, assuming that the maximum transmission power supported bythe terminal device is P_(max), the number of the plurality of uplinksignals to be transmitted is N, and the expected transmission power ofthe i-th uplink signal among the plurality of uplink signals, which isderived according to a conventional procedure of uplink power control,is P_(i), then the sum of expected transmission powers of the pluralityof uplink signals is P_(a)=Σ_(i=1) ^(N) P_(i), and the terminal devicemay reduce the effective transmission power of the i-th uplink signal toPi×(P_(max)/P_(a)).

In a possible implementation, the determining, by the terminal device,an effective transmission power of a plurality of uplink signalsincludes: receiving, by the terminal device, indication information sentby a network device, the indication information indicating a powercontrol parameter corresponding to the plurality of uplink signals; anddetermining, by the terminal device, the effective transmission power ofthe plurality of uplink signals according to the power control parametercorresponding to the plurality of uplink signals.

In a possible implementation, the transmitting, by the terminal device,the plurality of uplink signals simultaneously in a same frequencydomain resource set according to the effective transmission power of theplurality of uplink signals includes: transmitting, by the terminaldevice, the plurality of uplink signals simultaneously on differentfrequency domain resource in the same frequency domain resource setaccording to the effective transmission power of the plurality of uplinksignals.

In a possible implementation, the transmitting, by the terminal device,the plurality of uplink signals simultaneously in a same frequencydomain resource set according to the effective transmission power of theplurality of uplink signals includes: transmitting, by the terminaldevice, the plurality of uplink signals simultaneously in the samefrequency domain resource set through different antenna panels accordingto the effective transmission power of the plurality of uplink signals.

In a possible implementation, the transmitting, by the terminal device,the plurality of uplink signals simultaneously in a same frequencydomain resource set according to the effective transmission power of theplurality of uplink signals includes: transmitting, by the terminaldevice, the plurality of uplink signals simultaneously in the samefrequency domain resource set through different beams according to theeffective transmission power of the plurality of uplink signals.

According to a second aspect, there is provided a terminal deviceconfigured to perform the operations of terminal device as described inthe first aspect or any possible implementation thereof. Specifically,the terminal device may include any module units configured to performthe operations of terminal device as described in the first aspect orany possible implementation thereof.

According to a third aspect, there is provided a terminal device,including a processor, a transceiver and a memory. The processor, thetransceiver, and the memory communicate with each other through aninternal connection path. The memory is configured to storeinstructions, and the processor is configured to execute instructionsstored by the memory. When the processor executes the instructionsstored by the memory, the execution causes the terminal device toperform the method as described in the first aspect or any possibleimplementation thereof, or causes the terminal device to be implementedas the terminal device provided by the third aspect.

According to a fourth aspect, there is provided a computer-readablestorage medium configured to store a program, the program causes theterminal device to perform the signal transmission method as describedin the first aspect or any possible implementation thereof.

According to a fifth aspect, there is provided a system chip, including:an input interface, an output interface, a processor, and a memory. Theprocessor is configured to execute instructions stored in the memory.When the instructions are executed, the processor is able to implementthe method as described in the first aspect or any possibleimplementation thereof.

According to a sixth aspect, there is provided a computer programproduct including instructions which, when run on a computer, causes thecomputer to perform the method as described in the first aspect or anypossible implementation thereof.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic structural diagram illustrating an applicationscenario according to an embodiment of the disclosure.

FIG. 2 is a flow chart illustrating a signal transmission methodaccording to an embodiment of the disclosure.

FIG. 3 is a block diagram illustrating a terminal device according to anembodiment of the disclosure.

FIG. 4 is a schematic structural diagram illustrating a terminal deviceaccording to an embodiment of the disclosure.

FIG. 5 is a schematic structural diagram illustrating a system chipaccording to an embodiment of the disclosure.

DETAILED DESCRIPTION

Technical solutions in the embodiments of the present disclosure will bedescribed below with reference to the accompanying drawings.

It is to be understood that the technical solutions in the embodimentsof the present disclosure may be applied to various communicationsystems, for example, a Global System of Mobile communication (GSM), aCode Division Multiple Access (CDMA) system, a Wideband Code DivisionMultiple Access (WCDMA) system, a Long Term Evolution (LTE) system, anLTE Frequency Division Duplex (FDD) system, an LTE Time Division Duplex(TDD) system, a Universal Mobile Telecommunication System (UMTS), future5G communication system and the like.

The embodiments of the present disclosure are described with referenceto a terminal device. The terminal device may also be referred to asuser equipment (UE), an access terminal, a subscriber unit, a subscriberstation, a mobile station, a remote station, a remote terminal, a mobiledevice, a user terminal, a terminal, a wireless communication device, auser agent, or a user apparatus. The access terminal may be a cellularphone, a cordless phone, a Session Initiation Protocol (SIP) phone, aWireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), ahandheld device having a wireless communication function, a computingdevice, or another processing device connected to a wireless modem, avehicle-mounted device, a wearable device, a terminal device in future5G network, a terminal device in future evolved Public Land MobileNetwork (PLMN) network and the like.

The embodiments of the present disclosure are described with referenceto a network device. The network device may be a device used forcommunicating with the terminal device, for example, may be a BaseTransceiver Station (BTS) in the GSM system or CDMA, or may be a NodeB(NB) in the WCDMA system, or may be an Evolutional Node B (eNB oreNodeB) in the LTE system. Optionally, the network device may be a relaystation, an access point, an in-vehicle device, a wearable device, anetwork side device in the future 5G network, network side device in thefuture evolved PLMN network, and the like.

FIG. 1 is a schematic structural diagram illustrating an applicationscenario according to an embodiment of the disclosure. The communicationsystem in FIG. 1 may include a network device 10 and a terminal device20. The network device 10 is configured to provide communicationservices for the terminal device 20 and access the core network. Theterminal device 20 may access the network by searching forsynchronization signals, broadcast signals, and the like transmitted bythe network device 10, thereby performing communication with thenetwork. The arrows shown in FIG. 1 may represent uplink/downlinktransmissions performed via a cellular link between the terminal device20 and the network device 10.

The network in the embodiment of the disclosure may refer to a PublicLand Mobile Network (PLMN), a Device to Device (D2D) network, a Machineto Machine/Man (M2M) network, or the like, FIG. 1 is only a simplifiedschematic diagram of an example, and other terminal devices may also beincluded in the network, which are not shown in FIG. 1.

FIG. 2 is a flow chart illustrating a signal transmission methodaccording to an embodiment of the disclosure. The method illustrated inFIG. 2 may be performed by a terminal device, for example, the terminaldevice 20 as shown in FIG. 1. As shown in FIG. 2, the signaltransmission method includes following steps.

In step 210, the terminal device determines an effective transmissionpower of a plurality of uplink signals.

In step 220, the terminal device transmits the plurality of uplinksignals simultaneously in a same frequency domain resource set accordingto the effective transmission power of the plurality of uplink signals.

Specifically, the terminal device determines respective effectivetransmission powers for the plurality of uplink signals, so that,through reasonable distribution of transmission power, the terminaldevice can transmit the plurality of uplink signals simultaneously inthe same frequency domain resource set according to the effectivetransmission power of the plurality of uplink signals.

When the terminal device sends only one uplink signal, the uplink signalmay be subjected to, for example, open-loop power control or closed-looppower control by using related parameters, and a transmission power canbe determined for the uplink information, such transmission power may bereferred to as the expected transmission power in embodiments of thedisclosure. In other words, the expected transmission power of an uplinksignal may be determined by existing means. According to embodiments ofthe disclosure, however, the plurality of uplink signals are to besimultaneously transmitted. Therefore, when the terminal device isscheduled to transmit the plurality of uplink signals simultaneously inthe same frequency domain resource set, if those uplink signals arestill transmitted simultaneously according to the expected transmissionpower of each uplink signal, the transmission power of the terminaldevice may be limited. Therefore, embodiments of the disclosure providefollowing manners to re-determine the effective transmission power ofeach uplink signal for the each uplink signal, so that the terminaldevice can transmit the plurality of uplink signals simultaneously inthe same frequency domain resource set according to the effectivetransmission power of the plurality of uplink signals.

Optionally, the plurality of uplink signals include uplink data or anuplink reference signal.

For example, the plurality of uplink signals may be a plurality ofPhysical Uplink Shared Channels (PUSCHs), or may be different transportlayers within one PUSCH, or may be different codewords within one PUSCH.Optionally, the plurality of uplink signals may be a plurality ofSounding Reference Signals (SRSs).

Optionally, the plurality of uplink signals are uplink signals scheduledby same downlink control information (DCI), or uplink signalsrespectively scheduled by different DCIs.

For example, the uplink signals may be a plurality of PUSCHs scheduledby the same DCI, or a plurality of aperiodic SRSs triggered by the sameDCI, or a plurality of independent PUSCHs respectively scheduled by aplurality of DCIs, or a plurality of independent aperiodic SRSsrespectively triggered by a plurality of DCIs.

Optionally, the same frequency domain resource set includes: a samecarrier, a same bandwidth part, a same sub-band, or a same set ofphysical resource block (PRB).

In other words, the frequency domain resource set may be one carrier,one bandwidth part, one sub-band, or one PRB set.

Four implementation manners are provided by embodiments of thedisclosure to determine the effective transmission power of theplurality of uplink signals and will be described in details as follows.

Implementation Manner 1

Optionally, in step 210, the terminal device determines the effectivetransmission power of a plurality of uplink signals includes:determining, by the terminal device, the effective transmission power ofthe plurality of uplink signals according to a number of the pluralityof uplink signals.

Further, the terminal device may specifically determine the effectivetransmission power of the plurality of uplink signals according to thenumber of the plurality of uplink signals in the following two manners.In the first manner, the terminal device directly determines a maximumsupported transmission power for each of the plurality of uplink signalsaccording to the number of the plurality of uplink signals, anddetermines the effective manners power for each uplink signal based onthe maximum supported transmission power. In the other manner, theterminal device obtains a ratio according to the number of the pluralityof uplink signals, and reduces the expected transmission power of eachuplink signal according to the ratio, thereby obtaining the effectivetransmission power of each uplink signal. Details will be describedbelow.

Optionally, the determining, by the terminal device, the effectivetransmission power of the plurality of uplink signals according to anumber of the plurality of uplink signals includes: determining, by theterminal device, a maximum supported transmission power of each uplinksignal among the plurality of uplink signals according to the number ofthe plurality of uplink signals; and determining, by the terminaldevice, the effective transmission power of the each uplink signal basedon the maximum supported transmission power of the each uplink signal.

For example, assuming that the number of the plurality of uplink signalsto be transmitted is N and a maximum transmission power supported by theterminal device is P_(max), the terminal device may determine, accordingto the maximum transmission power supported by the terminal deviceP_(max) and the number of the plurality of uplink signals N, the maximumsupported transmission power of each uplink signal is P_(max)/N. Then,the terminal device may determine, through a conventional procedure ofuplink power control, the effective transmission power of the eachuplink signal based on the maximum supported transmission power of theeach uplink signal.

Each uplink signal has its own maximum supported transmission power, andthe effective transmission power used for transmitting the uplink signaldoes not exceed the maximum supported transmission power correspondingto the uplink signal. Different from the respective maximum supportedtransmission power of each uplink signal, the maximum transmission powersupported by the terminal device is a whole transmission power that theterminal device can provide for one transmission.

Optionally, the determining, by the terminal device, the effectivetransmission power of the plurality of uplink signals according to anumber of the plurality of uplink signals includes: determining, by theterminal device, an expected transmission power of the each uplinksignal among the plurality of uplink signals being reduced based on aratio corresponding to the number of the plurality of uplink signals, asthe effective transmission power of the each uplink signal.

For example, assuming that the expected transmission power of the eachuplink signal among the plurality of uplink signals is P_(i), where0<i≤N, N is the number of the plurality of uplink signals, and eachvalue of N corresponds to a ratio. If the number N corresponds to aratio of 1/N, the expected transmission power of the each uplink signalmay be reduced to P_(i)/N. If the number N corresponds to a ratio of1/2N, the expected transmission power of the each uplink signal may bereduced to P_(i)/2N. The procedure for reducing the expectedtransmission power may be performed, for example, when a powerconsumption of the terminal device needs to be reduced, or only when asum of the expected transmission powers of the plurality of uplinksignals exceeds the maximum transmission power supported by the terminaldevice.

Implementation Manner 2

Optionally, in step 210, the terminal device determines the effectivetransmission power of a plurality of uplink signals includes:determining, by the terminal device, the effective transmission power ofthe plurality of uplink signals according to priority information of theplurality of uplink signals.

The priority information of the plurality of uplink signals may be, forexample, configured by a network device in advance for the plurality ofuplink signals.

Optionally, before the determining, by the terminal device, theeffective transmission power of the plurality of uplink signalsaccording to priority information of the plurality of uplink signals,the method may further include: determining, by the terminal device, thepriority information of the plurality of uplink signals according to atleast one of following information:

a signal type of the plurality of uplink signals, a control signalingused for scheduling the plurality of uplink signals, a type ofinformation carried by the plurality of uplink signals, and an order bywhich the plurality of uplink signals are scheduled.

For example, when the terminal device determines the priorityinformation of the plurality of uplink signals according to the controlsignaling used for scheduling the plurality of uplink signals, theterminal device may acquire the priority information of multiple uplinkinformation by receiving a plurality of DCIs used for scheduling theplurality of uplink signals, where the plurality of DCIs carry thepriority information of the plurality of uplink signals. Optionally, orterminal device may receive the plurality of DCIs used for schedulingthe plurality of uplink signals, and determine the priority informationof the plurality of uplink signals according to information ofModulation Coding Mode (MCS) carried in the plurality of DCIs. Forexample, the network device may independently indicate an MCS level ofeach uplink signal for the plurality of uplink signals through one ormore DCIs, the higher the MCS level of the uplink signal, the higher thepriority thereof.

For another example, the terminal device may determine the priorityinformation of the plurality of uplink signals according to the type ofinformation carried by the plurality of uplink signals based on thefollowing rules. A physical uplink control channel (PUCCH) has a higherpriority than any of PUSCH, SRS, and Phase Tracking Reference Signal(PTRS), PTRS has a higher priority than SRS, PUSCH has a higher prioritythan SRS, and PUCCH carrying information of Acknowledgement(ACK)/Negative Acknowledgement (NACK) has a higher priority than PUCCHcarrying Channel State Information (CSI).

PUSCH carrying Uplink Control Information (UCI) has a higher prioritythan PUSCH without carrying UCI. Optionally, PUSCH carrying UltraReliable Low Latency Communication (URLLC) data has a higher prioritythan PUSCH carrying Enhanced Mobile Broadband (eMBB) data.

For another example, when the terminal device determines the priorityinformation of the plurality of uplink signals according to the order bywhich the plurality of uplink signals are scheduled, if the plurality ofuplink signals are respectively scheduled by a plurality of DCIs, theuplink signal scheduled by a DCI firstly received by the terminal devicehas a higher priority than that scheduled by a DCI subsequently receivedby the terminal device. Optionally, the uplink signal scheduled by a DCIsubsequently received by the terminal device has a higher priority thanthat scheduled by a DCI firstly received by the terminal device.

Moreover, after acquiring the priority information of the plurality ofuplink signals, the terminal device may determine the effectivetransmission power of the plurality of uplink signals according to thepriority information of the plurality of uplink signals throughfollowing ways.

Optionally, the determining, by the terminal device, the effectivetransmission power of the plurality of uplink signals according topriority information of the plurality of uplink signals includes:allocating, by the terminal device, respective minimum transmissionpowers for the plurality of uplink signals; and allocating, by theterminal device according to the priority information of the pluralityof uplink signals, remaining transmission power in a maximum supportabletransmission power excluding the minimum transmission powers of theplurality of uplink signals to at least part of the plurality of uplinksignals.

Specifically, the terminal device may temporarily allocate therespective minimum transmission power (also may be referred to asminimum supported transmission power) for the plurality of uplinksignals. Then, the terminal device subtracts the minimum supportedtransmission power of the plurality of uplink signals from the maximumsupported transmission power, and allocates the remaining transmissionpower. When allocating the remaining transmission power, it is performedaccording to the priority information of the plurality of uplinksignals. The terminal device sequentially allocates the remainingtransmission powers in descending order of priority. Among the pluralityof uplink signals, at least part of the uplink signals with higherpriority may be additionally allocated with transmission power, so thatthe at least part of the uplink signals may be powered up again based onbeing allocated with the minimum supported transmission power, forexample, reach their respective maximum supported transmission power, orreach a certain percentage of their respective maximum supportedtransmission power.

For example, assuming that the number of the plurality of uplink signalsto be transmitted is N, the minimum transmission power of each uplinksignal is P_(min), the maximum transmission power of the i-th uplinksignal among the N uplink signals is P_(i-max), the maximum transmissionpower supported by the terminal device is P_(max), then the remainingtransmission power is P_(r)=P_(max)−N×P_(min). Firstly, the terminaldevice allocates respective minimum transmission powers P_(min) for eachuplink signal. Then, the terminal device allocates the remainingtransmission power P_(r) according to a priority order of the uplinksignals. Assuming N=3, that is, the number of the plurality of uplinksignals is 3, including signal 1, signal 2 and signal 3, when theallocation of remaining power is not performed, the signals 1, 2 and 3are allocated with P_(min). Subsequently, the terminal device mayacquire the priority information of those three signals by forgoingprocess, assuming the priority from high to low is signal 1>signal2>signal 3, then the terminal device allocates remaining transmissionpower P_(r) firstly to signal 1 with the highest priority, for example,causing the transmission P_(min) thereof to reach its maximumtransmission power P_(1-max); if there is still surplus of the remainingtransmission power P_(r), then the terminal device proceeds withallocation of transmission power for signal 2; if there is still surplusof the remaining transmission power P_(r), after the transmission powerP_(min) of signal 2 reaches its maximum transmission power P_(2-max),then the terminal device proceeds with allocation of transmission powerfor signal 3. When the remaining transmission power is consumed outduring the process of allocation and not enough for continuousallocation, the operation may be stopped. The effective transmissionpower of the signal which is the last one to be allocated withtransmission power may not be able to reach its maximum transmissionpower.

Implementation Manner 3

Optionally, the determining, by the terminal device, an effectivetransmission power of a plurality of uplink signals includes:determining by the terminal device, if a sum of expected transmissionpowers of the plurality of uplink signals exceeds a maximum transmissionpower supported by the terminal device, the expected transmission powerof each uplink signal among the plurality of uplink signals beingreduced based on a ratio of the maximum transmission power to the sum ofexpected transmission powers of the plurality of uplink signals, as theeffective transmission power of the each uplink signal.

Specifically, when the sum of expected transmission powers of theplurality of uplink signals exceeds the maximum transmission powersupported by the terminal device, the terminal device may reduce theexpected transmission power of each uplink signal among the plurality ofuplink signals according to a certain ratio and, thus, determine theexpected transmission power after being reduced as the effectivetransmission power of the uplink signal. Optionally, the ratio may bedetermined according to the maximum transmission power supported by theterminal device and the sum of expected transmission powers of theplurality of uplink signals.

For example, assuming that the maximum transmission power supported bythe terminal device is P_(max), the number of the plurality of uplinksignals to be transmitted is N, and the expected transmission power ofthe i-th uplink signal among the plurality of uplink signals, which isderived according to a conventional procedure of uplink power control,is P_(i), then the sum of expected transmission powers of the pluralityof uplink signals is P_(a)=Σ_(i=1) ^(N) P_(i), and the terminal devicemay reduce the effective transmission power of the i-th uplink signal toPi×(P_(max)/P_(a)).

Implementation Manner 4

Optionally, the determining, by the terminal device, an effectivetransmission power of a plurality of uplink signals includes: receiving,by the terminal device, indication information sent by a network device,the indication information indicating a power control parametercorresponding to the plurality of uplink signals; and determining, bythe terminal device, the effective transmission power of the pluralityof uplink signals according to the power control parameter correspondingto the plurality of uplink signals.

The power control parameter may include, for example, an open loop powercontrol parameter, a closed loop power control parameter, a parameterrelated to path loss, or the like. The terminal device may determine theeffective transmission power for each uplink signal based on thesepre-configured power control parameters. For example, terminal devicedetermines the effective transmission power for each uplink signalaccording to the power control parameters through a conventionalprocedure of uplink power control. Optionally, the indicationinformation may be SRS Resource Indication (SRI), and the network devicemay indicate the power control parameter to the terminal device by usingSRI, so that the terminal device can determine, according to the powercontrol parameters, the effective transmission power of the plurality ofuplink signals.

After determining the effective transmit power of the plurality ofuplink signals, the terminal device may transmit the plurality of uplinksignals simultaneously in a same frequency domain resource set accordingto the effective transmission power of the plurality of uplink signals.

Optionally, in step 220, the transmitting, by the terminal device, theplurality of uplink signals simultaneously in a same frequency domainresource set according to the effective transmission power of theplurality of uplink signals includes: transmitting, by the terminaldevice, the plurality of uplink signals simultaneously on differentfrequency domain resource in the same frequency domain resource setaccording to the effective transmission power of the plurality of uplinksignals.

Optionally, in step 220, the transmitting, by the terminal device, theplurality of uplink signals simultaneously in a same frequency domainresource set according to the effective transmission power of theplurality of uplink signals includes: transmitting, by the terminaldevice, the plurality of uplink signals simultaneously in the samefrequency domain resource set through different antenna panels accordingto the effective transmission power of the plurality of uplink signals.

Optionally, in step 220, the transmitting, by the terminal device, theplurality of uplink signals simultaneously in a same frequency domainresource set according to the effective transmission power of theplurality of uplink signals includes: transmitting, by the terminaldevice, the plurality of uplink signals simultaneously in the samefrequency domain resource set through different beams according to theeffective transmission power of the plurality of uplink signals.

Two transmission beams used by any two of the plurality of uplinksignals that are simultaneously transmitted may be beams generated by asame antenna panel or may be beams generated by different antennapanels, which are not limited herein.

Therefore, the terminal device determines, according to a certain mannerof power distribution, the effective transmission power respectively forthe plurality of uplink signals to be transmitted simultaneously in thesame frequency domain resource set and, thus, transmit the plurality ofuplink signals simultaneously in the same frequency domain resource setaccording to the effective transmission power of the plurality of uplinksignals. In this way, even if a transmission power of the terminaldevice is limited, the terminal device may be still able tore-determine, according to the manner of power distribution described inembodiments of the disclosure, the effective transmission powerrespectively for the plurality of uplink signals to be transmitted and,thus, transmit the plurality of uplink signals simultaneously in thesame frequency domain resource.

It should be understood that, in the various embodiments of thedisclosure, the sequence numbers of the foregoing processes do notindicate the order of execution order, and the execution order of eachprocess should be determined by its function and internal logic, andshould not be construed as any limitation to the implementation processof embodiments of the disclosure.

FIG. 3 is a block diagram illustrating a terminal device 300 accordingto an embodiment of the disclosure. As shown in FIG. 3, the terminaldevice includes a determination unit 310 and a transmission unit 320.

The determination unit 310 is configured to determine an effectivetransmission power of a plurality of uplink signals.

The transmission unit 320 is configured to transmit the plurality ofuplink signals simultaneously in a same frequency domain resource setaccording to the effective transmission power of the plurality of uplinksignals.

Therefore, the terminal device determines, according to a certain mannerof power distribution, the effective transmission power respectively forthe plurality of uplink signals to be transmitted simultaneously in thesame frequency domain resource set and, thus, transmit the plurality ofuplink signals simultaneously in the same frequency domain resource setaccording to the effective transmission power of the plurality of uplinksignals. In this way, even if a transmission power of the terminaldevice is limited, the terminal device may be still able tore-determine, according to the manner of power distribution described inembodiments of the disclosure, the effective transmission powerrespectively for the plurality of uplink signals to be transmitted and,thus, transmit the plurality of uplink signals simultaneously in thesame frequency domain resource.

Optionally, the plurality of uplink signals include uplink data or anuplink reference signal.

Optionally, the plurality of uplink signals are uplink signals scheduledby the same DCI, or uplink signals respectively scheduled by differentDCIs.

Optionally, the same frequency domain resource set includes: a samecarrier, a same bandwidth part, a same sub-band, or a same set of PRB.

Optionally, the determination unit 310 is specifically configured to:determine the effective transmission power of the plurality of uplinksignals according to a number of the plurality of uplink signals.

Optionally, the determination unit 310 is specifically configured to:determine a maximum supported transmission power of each uplink signalamong the plurality of uplink signals according to the number of theplurality of uplink signals; and determine the effective transmissionpower of the each uplink signal based on the maximum supportedtransmission power of the each uplink signal.

Optionally, the determination unit 310 is specifically configured to:determine an expected transmission power of the each uplink signal amongthe plurality of uplink signals being reduced based on a ratiocorresponding to the number of the plurality of uplink signals, as theeffective transmission power of the each uplink signal.

Optionally, the determination unit 310 is specifically configured to:determine the effective transmission power of the plurality of uplinksignals according to priority information of the plurality of uplinksignals.

Optionally, the determination unit 310 is further configured to:determine the priority information of the plurality of uplink signalsaccording to at least one of following information: a signal type of theplurality of uplink signals, a control signaling used for scheduling theplurality of uplink signals, a type of information carried by theplurality of uplink signals, and an order by which the plurality ofuplink signals are scheduled.

Optionally, the terminal device further includes a receiving unit, thedetermination unit 310 is specifically configured to: receive, throughthe receiving unit, a plurality of DCIs used for scheduling theplurality of uplink signals, the plurality of DCIs carrying the priorityinformation of the plurality of uplink signals; or receive, through thereceiving unit, the plurality of DCIs, and determine the priorityinformation of the plurality of uplink signals according to informationof the MCS carried in the plurality of DCIs.

Optionally, the determination unit 310 is specifically configured to:allocate respective minimum transmission powers for the plurality ofuplink signals; and allocate, according to the priority information ofthe plurality of uplink signals, remaining transmission power in amaximum supportable transmission power excluding the minimumtransmission powers of the plurality of uplink signals to at least partof the plurality of uplink signals.

Optionally, the priority information of the plurality of uplink signalsis configured by a network device in advance for the plurality of uplinksignals.

Optionally, the determination unit 310 is specifically configured to:determine, if a sum of expected transmission powers of the plurality ofuplink signals exceeds a maximum transmission power supported by theterminal device, the expected transmission power of each uplink signalamong the plurality of uplink signals being reduced based on a ratio ofthe maximum transmission power to the sum of expected transmissionpowers of the plurality of uplink signals, as the effective transmissionpower of the each uplink signal.

Optionally, the terminal device further includes a receiving unit, thedetermination unit 310 is specifically configured to: receive, throughthe receiving unit, indication information sent by a network device, theindication information indicating a power control parametercorresponding to the plurality of uplink signals; and determine theeffective transmission power of the plurality of uplink signalsaccording to the power control parameter corresponding to the pluralityof uplink signals.

Optionally, the transmission unit 320 is specifically configured to:transmit the plurality of uplink signals simultaneously on differentfrequency domain resource in the same frequency domain resource setaccording to the effective transmission power of the plurality of uplinksignals.

Optionally, the transmission unit 320 is specifically configured to:transmit the plurality of uplink signals simultaneously in the samefrequency domain resource set through different antenna panels accordingto the effective transmission power of the plurality of uplink signals.

Optionally, the transmission unit 320 is specifically configured to:transmit the plurality of uplink signals simultaneously in the samefrequency domain resource set through different beams according to theeffective transmission power of the plurality of uplink signals.

FIG. 4 is a schematic structural diagram illustrating a terminal device400 according to an embodiment of the disclosure. As shown in FIG. 4,the terminal device 400 includes a processor 410, a transceiver 420 anda memory 430. The processor 410, the transceiver 420, and the memory 430communicate with each other through an internal connection path. Thememory 430 is configured to store instructions, and the processor 410 isconfigured to execute instructions stored by the memory 430 so as tocontrol the transceiver 420 to receive or transmit signals.

The processor 410 is configured to determine an effective transmissionpower of a plurality of uplink signals.

The transceiver 420 is configured to transmit the plurality of uplinksignals simultaneously in a same frequency domain resource set accordingto the effective transmission power of the plurality of uplink signals.

Therefore, the terminal device determines, according to a certain mannerof power distribution, the effective transmission power respectively forthe plurality of uplink signals to be transmitted simultaneously in thesame frequency domain resource set and, thus, transmit the plurality ofuplink signals simultaneously in the same frequency domain resource setaccording to the effective transmission power of the plurality of uplinksignals. In this way, even if a transmission power of the terminaldevice is limited, the terminal device may be still able tore-determine, according to the manner of power distribution described inembodiments of the disclosure, the effective transmission powerrespectively for the plurality of uplink signals to be transmitted and,thus, transmit the plurality of uplink signals simultaneously in thesame frequency domain resource.

Optionally, the plurality of uplink signals include uplink data or anuplink reference signal.

Optionally, the plurality of uplink signals are uplink signals scheduledby the same DCI, or uplink signals respectively scheduled by differentDCIs.

Optionally, the same frequency domain resource set includes: a samecarrier, a same bandwidth part, a same sub-band, or a same set of PRB.

Optionally, the processor 410 is specifically configured to: determinethe effective transmission power of the plurality of uplink signalsaccording to a number of the plurality of uplink signals.

Optionally, the processor 410 is specifically configured to: determine amaximum supported transmission power of each uplink signal among theplurality of uplink signals according to the number of the plurality ofuplink signals; and determine the effective transmission power of theeach uplink signal based on the maximum supported transmission power ofthe each uplink signal.

Optionally, the processor 410 is specifically configured to: determinean expected transmission power of the each uplink signal among theplurality of uplink signals being reduced based on a ratio correspondingto the number of the plurality of uplink signals, as the effectivetransmission power of the each uplink signal.

Optionally, the processor 410 is specifically configured to: determinethe effective transmission power of the plurality of uplink signalsaccording to priority information of the plurality of uplink signals.

Optionally, the processor 410 is further configured to: determine thepriority information of the plurality of uplink signals according to atleast one of following information: a signal type of the plurality ofuplink signals, a control signaling used for scheduling the plurality ofuplink signals, a type of information carried by the plurality of uplinksignals, and an order by which the plurality of uplink signals arescheduled.

Optionally, the processor 410 is specifically configured to: receive,through the transceiver 420, a plurality of DCIs used for scheduling theplurality of uplink signals, the plurality of DCIs carrying the priorityinformation of the plurality of uplink signals; or receive, through thetransceiver 420, the plurality of DCIs, and determine the priorityinformation of the plurality of uplink signals according to informationof the MCS carried in the plurality of DCIs.

Optionally, the processor 410 is specifically configured to: allocaterespective minimum transmission powers for the plurality of uplinksignals; and allocate, according to the priority information of theplurality of uplink signals, remaining transmission power in a maximumsupportable transmission power excluding the minimum transmission powersof the plurality of uplink signals to at least part of the plurality ofuplink signals.

Optionally, the priority information of the plurality of uplink signalsis configured by a network device in advance for the plurality of uplinksignals.

Optionally, the processor 410 is specifically configured to: determine,if a sum of expected transmission powers of the plurality of uplinksignals exceeds a maximum transmission power supported by the terminaldevice, the expected transmission power of each uplink signal among theplurality of uplink signals being reduced based on a ratio of themaximum transmission power to the sum of expected transmission powers ofthe plurality of uplink signals, as the effective transmission power ofthe each uplink signal.

Optionally, the processor 410 is specifically configured to: receive,through the transceiver 420, indication information sent by a networkdevice, the indication information indicating a power control parametercorresponding to the plurality of uplink signals; and determine theeffective transmission power of the plurality of uplink signalsaccording to the power control parameter corresponding to the pluralityof uplink signals.

Optionally, the transceiver 420 is specifically configured to: transmitthe plurality of uplink signals simultaneously on different frequencydomain resource in the same frequency domain resource set according tothe effective transmission power of the plurality of uplink signals.

Optionally, the transceiver 420 is specifically configured to: transmitthe plurality of uplink signals simultaneously in the same frequencydomain resource set through different antenna panels according to theeffective transmission power of the plurality of uplink signals.

Optionally, the transceiver 420 is specifically configured to: transmitthe plurality of uplink signals simultaneously in the same frequencydomain resource set through different beams according to the effectivetransmission power of the plurality of uplink signals.

It should be understood that, in the embodiments of the disclosure, theprocessor 410 may be a Central Processing Unit (CPU), and the processor410 may also be another general purpose processor, a Digital SignalProcessor (DSP), an Application Specific Integrated Circuit (ASIC), aField Programmable Gate Array (FPGA) or other programmable logic device,a discrete gate or transistor logic device, a discrete hardwarecomponent, or the like. The general purpose processor may be amicroprocessor, the processor may be any conventional processor or thelike.

The memory 430 may include read only memory and random access memory andprovides instructions and data to the processor 410. A portion of thememory 430 may also include a non-volatile random access memory.

In an implementation process, each step of the foregoing method may becompleted by an integrated logic circuit of hardware in the processor410 or an instruction in a form of software. The steps in the methoddisclosed in the embodiments of the disclosure may be directlyimplemented by a hardware processor, or may be performed by acombination of hardware in the processor 410 and software modules. Thesoftware modules may be located in a conventional storage medium such asrandom access memory, flash memory, read only memory, programmable readonly memory or electrically erasable programmable memory, registers, andthe like. The storage medium is located in the memory 430, and theprocessor 410 reads the information in the memory 430 and completes thesteps of the above method in combination with its hardware. To avoidrepetition, it will not be described in detail here.

The terminal device 400 according to the embodiments of the disclosuremay correspond to the terminal device for performing the method 200 inthe foregoing method embodiments, as well as the terminal device 300according to the embodiments of the disclosure, and each unit or modulein the terminal device 400 is used for performing the operations orprocesses performed by the terminal device in the above method 200. Inorder to avoid redundancy, detailed description thereof will be omitted.

FIG. 5 is a schematic structural diagram illustrating a system chipaccording to an embodiment of the disclosure. The system chip 500 asshown in FIG. 5 includes an input interface 501, an output interface502, at least one processor 503, and a memory 504. The input interface501, the output interface 502, the processor 503, and the memory 504 areinterconnected by an internal connection path. The processor 503 isconfigured to execute codes in the memory 504.

Optionally, when the codes are executed, the processor 503 can implementthe method 200 performed by the terminal device in the methodembodiments. For the sake of brevity, it will not be repeated here.

Persons of ordinary skill in the art may realize that it is possible toimplement, by electronic hardware or a combination of computer softwareand electronic hardware, steps of units and methods in various examplesas described in the embodiments disclosed herein. Whether thesefunctions are executed in a hardware mode or a software mode depends onspecific applications and design constraints on the technical solutions.Technical professionals may use different methods to implement functionsas described in each of the specific applications. However, theimplementation shall be not believed beyond the scope of the embodimentsof the present disclosure.

Persons skilled in the art may clearly understand that for a convenientand concise description, a concrete work process of systems, apparatusesand units described above may refer to a corresponding process of theforegoing method embodiments, which is not repeated anymore herein.

From several embodiments provided in the application, it should beunderstood that the disclosed systems, apparatuses and methods may beimplemented by means of other manners. For example, the apparatusembodiments described above are merely exemplary. For example, a unitpartition is merely a logic functional partition. In actualimplementation, additional manners of partitioning may be available. Foranother example, multiple units or components may be combined orintegrated into another system, or some features may be ignored or notexecuted. In addition, the displayed or discussed mutual couplings ordirect couplings or communication connections may be implemented byusing some interfaces. The indirect couplings or communicationconnections between the apparatuses or units may be implemented inelectronic, mechanical, or other forms.

The units described as separate parts may or may not be physicallyseparate, and parts displayed as units may or may not be physical units,i.e., either located at one place or distributed on a plurality ofnetwork units. Units may be selected in part or in whole according toactual needs to implement the objectives of the embodiments of thepresent disclosure.

In addition, functional units in the embodiments of the presentdisclosure may be integrated into one processing unit, or each of theunits may exist alone physically, or two or more units are integratedinto one unit.

When the functions are implemented in the form of a software functionalunit and sold or used as an independent product, the functions may bestored in a computer-readable storage medium. Based on such anunderstanding, the technical solution of the embodiments of the presentdisclosure in essence or that part of contribution to the prior art or apart of the technical solution may be embodied in the form of softwareproducts, which may be stored in a storage medium, comprising someinstructions to cause a computer device (a personal computer, a serveror a network device and so on) to execute all or a part of steps of themethod as recited in the embodiments of the present disclosure. Theaforementioned storage medium includes: a USB flash disk, a mobile harddisk, a read only memory (ROM), a random access memory (RAM), a magneticdisk or an optical disk and other media capable of storing programcodes.

The abovementioned embodiments are merely specific embodiments of thepresent disclosure, but the protection scope of the embodiments of thepresent disclosure is not limited thereto. Any variation or substitutioneasily conceivable to a person of ordinary skills in the art within thetechnical scope disclosed in the present disclosure shall fall into theprotection scope of the embodiments of the present disclosure.Therefore, the protection scope of the embodiments of the presentdisclosure shall be subject to that of the claims.

What is claimed is:
 1. A signal transmission method, comprising:determining, by a terminal device, an effective transmission power of aplurality of uplink signals; and transmitting, by the terminal device,the plurality of uplink signals simultaneously in a same frequencydomain resource set according to the effective transmission power of theplurality of uplink signals; wherein the determining, by the terminaldevice, an effective transmission power of a plurality of uplink signalscomprises: determining, by the terminal device, a maximum supportedtransmission power of each uplink signal among the plurality of uplinksignals according to the number of the plurality of uplink signals; anddetermining, by the terminal device, the effective transmission power ofthe each uplink signal based on the maximum supported transmission powerof the each uplink signal; or determining, by the terminal device, anexpected transmission power of the each uplink signal among theplurality of uplink signals being reduced based on a ratio correspondingto the number of the plurality of uplink signals, as the effectivetransmission power of the each uplink signal; or determining by theterminal device, if a sum of expected transmission powers of theplurality of uplink signals exceeds a maximum transmission powersupported by the terminal device, the expected transmission power ofeach uplink signal among the plurality of uplink signals being reducedbased on a ratio of the maximum transmission power to the sum ofexpected transmission powers of the plurality of uplink signals, as theeffective transmission power of the each uplink signal.
 2. The methodaccording to claim 1, wherein the plurality of uplink signals are uplinksignals scheduled by same downlink control information (DCI), or uplinksignals respectively scheduled by different DCIs.
 3. The methodaccording to claim 1, wherein the determining, by the terminal device,an effective transmission power of a plurality of uplink signalscomprises: determining, by the terminal device, the effectivetransmission power of the plurality of uplink signals according topriority information of the plurality of uplink signals.
 4. The methodaccording to claim 3, wherein before the determining, by the terminaldevice, the effective transmission power of the plurality of uplinksignals according to priority information of the plurality of uplinksignals, the method further comprises: determining, by the terminaldevice, the priority information of the plurality of uplink signalsaccording to at least one of following information: a signal type of theplurality of uplink signals, a control signaling used for scheduling theplurality of uplink signals, a type of information carried by theplurality of uplink signals, and an order by which the plurality ofuplink signals are scheduled.
 5. The method according to claim 3,wherein the determining, by the terminal device, the effectivetransmission power of the plurality of uplink signals according topriority information of the plurality of uplink signals comprises:allocating, by the terminal device, respective minimum transmissionpowers for the plurality of uplink signals; and allocating, by theterminal device according to the priority information of the pluralityof uplink signals, remaining transmission power in a maximum supportabletransmission power excluding the minimum transmission powers of theplurality of uplink signals to at least part of the plurality of uplinksignals.
 6. The method according to claim 1, wherein the transmitting,by the terminal device, the plurality of uplink signals simultaneouslyin a same frequency domain resource set according to the effectivetransmission power of the plurality of uplink signals comprises:transmitting, by the terminal device, the plurality of uplink signalssimultaneously in the same frequency domain resource set throughdifferent antenna panels according to the effective transmission powerof the plurality of uplink signals.
 7. A terminal device, comprising: aprocessor configured to determine an effective transmission power of aplurality of uplink signals; and a transceiver configured to transmitthe plurality of uplink signals simultaneously in a same frequencydomain resource set according to the effective transmission power of theplurality of uplink signals; wherein the processor is further configuredto: determine a maximum supported transmission power of each uplinksignal among the plurality of uplink signals according to the number ofthe plurality of uplink signals, and determine the effectivetransmission power of the each uplink signal based on the maximumsupported transmission power of the each uplink signal; or determine anexpected transmission power of the each uplink signal among theplurality of uplink signals being reduced based on a ratio correspondingto the number of the plurality of uplink signals, as the effectivetransmission power of the each uplink signal; or determine, if a sum ofexpected transmission powers of the plurality of uplink signals exceedsa maximum transmission power supported by the terminal device, theexpected transmission power of each uplink signal among the plurality ofuplink signals being reduced based on a ratio of the maximumtransmission power to the sum of expected transmission powers of theplurality of uplink signals, as the effective transmission power of theeach uplink signal.
 8. The terminal device according to claim 7, whereinthe plurality of uplink signals are uplink signals scheduled by samedownlink control information (DCI), or uplink signals respectivelyscheduled by different DCIs.
 9. The terminal device according to claim7, wherein the processor is further configured to: determine theeffective transmission power of the plurality of uplink signalsaccording to priority information of the plurality of uplink signals.10. The terminal device according to claim 9, wherein the processor isfurther configured to: determine the priority information of theplurality of uplink signals according to at least one of followinginformation: a signal type of the plurality of uplink signals, a controlsignaling used for scheduling the plurality of uplink signals, a type ofinformation carried by the plurality of uplink signals, and an order bywhich the plurality of uplink signals are scheduled.
 11. The terminaldevice according to claim 9, wherein the processor is further configuredto: allocate respective minimum transmission powers for the plurality ofuplink signals; and allocate, according to the priority information ofthe plurality of uplink signals, remaining transmission power in amaximum supportable transmission power excluding the minimumtransmission powers of the plurality of uplink signals to at least partof the plurality of uplink signals.
 12. The terminal device according toclaim 7, wherein the transceiver is further configured to: transmit theplurality of uplink signals simultaneously in the same frequency domainresource set through different antenna panels according to the effectivetransmission power of the plurality of uplink signals.